<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>详情页</title>
</head>
<body>
<!-- 显示评论 -->
<h4>共有{{ comments.count }}条评论</h4>
<div>
    {% for comment in comments %}
        ...
        <!-- 修改这里 -->
        <div>{{ comment.body|safe }}</div>
    {% endfor %}
</div>
</body>
</html>